def get_rest_nodes(self, method, group=None, host=None, ex_myself=False):
nodes = self.get_nodes(path=path_join(ZK_REST_PATH_NAME, method))
r_nodes = []
for n in nodes:
n_group = re.search("\[.*?\]", n)[0][1:-1]
n_host = re.search(r'\].*$', n)[0][1:]
if group:
if re.match(group, n_group):
r_nodes.append(n_host)
else:
r_nodes.append(n_host)
h_nodes = []
for n in r_nodes:
if host:
if re.match(host, n):
if ex_myself:
if n == f"{self.ip}:{self.port}":
continue
h_nodes.append(n)
else:
if ex_myself:
if n == f"{self.ip}:{self.port}":
continue
h_nodes.append(n)
else:
if n == f"{self.ip}:{self.port}":
continue
h_nodes.append(n)
return h_nodes
def find_master_start(self, sleep_time=1):
try:
# Master增加转发Nat
secret_key = str(uuid.uuid4())
result = self.get(path_join(self.rest_base_url, PART_API.ADD_NAT),
data={
"nat_port": self.nat_port,
"secret_key": secret_key,
"target_addr": self.target_addr
})
if result["is_success"]:
data_port = result['data']["data_port"]
secret_key = result['data']["secret_key"]
master_ip = result['data']["master_ip"]
else:
raise Exception("ADD_NAT ERROR" + str(result["msg"]))
communicate_addr = (master_ip, int(data_port))
time.sleep(1)
self.log.info(
f"communicate_addr:{communicate_addr}-target_addr:{self.target_addr}"
)
run_slaver(communicate_addr=communicate_addr,
target_addr=split_host(self.target_addr),
secret_key=secret_key,
max_spare_count=2)
sleep_time = 1
except Exception as e:
self.log.exception(f"连接Master异常{str(e)}")
time.sleep(sleep_time)
if sleep_time < 600:
sleep_time = sleep_time * 2
self.find_master_start(sleep_time=sleep_time)
def set(self, path, value, absolute=False):
value = value.encode("utf-8")
path = path_join(self.zk_name, path) if not absolute else path
if not self.zk.exists(path=path):
self.zk.create(path=path, value=value, makepath=True)
return
self.zk.set(path, value)
def get_nodes(self, path="/") -> list:
try:
path = path_join(self.zk_name, path)
nodes = self.zk.get_children(path)
except NoNodeError:
self.log.debug("NoNodeError--->" + path)
nodes = []
return nodes
def decorate(fn):
# 加上默认路径
a = '/' + path_join(self.rest_base_url, rest_path)
if a.startswith("//"):
a = a[1:]
if self.services.get(a, None) is None:
self.services[a] = fn
return fn
def register_rest_service(self, services):
for key in list(services.keys()):
path = path_join(ZK_REST_PATH_NAME, key)
self.mkdir(path)
temp_path = path_join("/", path, f"[{self.group}]{self.ip}:{self.port}")
http_url = f"""http://{self.ip}:{self.port}/{path.lstrip("/" + ZK_REST_PATH_NAME)}"""
nat_http_url = f"""http://nat_address:{self.nat_port}/{path.lstrip("/" + ZK_REST_PATH_NAME)}"""
self.setTemp(temp_path, yaml.dump({
"PID": self.pid,
"IP": self.ip,
"Rest Port": self.port,
"NAT Rest Port": self.nat_port,
"Rest URL": http_url,
"NAT Rest URL": nat_http_url
}), pass_error=True)
self.set(ZK_REST_PATH_NAME, date_to_str())
def config_watch(self, event):
if event.type in ("CREATED", "CHANGED"):
if event.path == path_join("/", self.zk.zk_name, self.config_path):
self.load_config()
else:
txt = self.zk.get(event.path,
watch=self.config_watch,
absolute=True)
self.load_node(os.path.basename(event.path), txt)
def get(self, path, watch=None, default=None, absolute=False):
path = path_join(self.zk_name, path) if not absolute else path
if not self.zk.exists(path=path):
return default
if watch:
data = self.zk.get(path=path, watch=watch)
else:
data = self.zk.get(path=path)
return str(data[0], encoding="utf-8")
def setTemp(self, path, value: str, pass_error=False):
"""设置临时节点"""
try:
value = value.encode("utf-8")
path = path_join(self.root, self.zk_name, path)
if not self.zk.exists(path=path):
self.zk.create(path=path,
value=value,
ephemeral=True,
makepath=True)
return True
else:
if not pass_error:
return False
self.zk.set(path=path, value=value)
return True
except Exception as e:
if pass_error:
return False
else:
raise e
def exists(self, path, absolute=False):
path = path_join(self.zk_name, path) if not absolute else path
return self.zk.exists(path=path)
def delete(self, path):
path = path_join(self.zk_name, path)
if self.zk.exists(path=path):
self.zk.delete(path)
